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TDA7286
SINGLE CHIP PREAMPLIFIER FOR DOUBLE DECK RADIO CASSETTE RECORDER
HIGH OPEN-LOOP GAIN (80dB) VERY LOW INPUT NOISE LOW TURN ON/OFF POP LOW SUPPLY CURRENT PLAYBACK AMPLIFIER WITH HEAD INPUT SWITCH RECORDING AMPLIFIER WITH BUILT-IN ALC ALC TIME CONSTANT PIN CAN BE USED AS ALC SWITCH GOOD SUPPLY RIPPLE REJECTION DESCRIPTION The TDA7286 is a monolithic integrated circuit in DIP20 and SO20 packages designed for 6V, 9V and 12V AC/DC double deck cassette applications. BLOCK DIAGRAM
DIP20
SO20
ORDERING NUMBERS: TDA7286 TDA7286D
May 1997
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TDA7286
ABSOLUTE MAXIMUM RATINGS
Symbol VS VIN Top Tstg, Tj Supply Voltage Input DC Voltage Operating Temperature Storage & Junction Temperature Parameter Value 14 -0.4 to 0.5 -20 to 70 -40 to 150 Unit V V C C
PIN CONNECTION (Top view)
THERMAL DATA
Symbol Rth j-amb Parameter Thermal Resistance Junction to Ambient Max. DIP20 100 SO20 200 Unit C/W
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TDA7286
ELECTRICAL CHARACTERISTICS (VS = 6V, Tamb = 25C; f = 1KHz; RL = 4.7k; Rg = 2.2k, unless otherwise specified.)
Symbol VS Id GVO VCD VO SVR CT EN RE GVO Ri VDC VO Parameter Supply Voltage Quiescent Current Open Loop Gain Output DC Voltage Output AC Voltage Supply Voltage Rejection Cross Talk Total Output Noise Internal Feedback Res Open Loop Gain Input resistance Output DC Voltage Output AC Voltage THD = 1% ALC = OFF ALC = ON VO = 0.5Vrms; ALC = OFF VO = 3dB ALC = ON f = 100Hz f = 1KHz chB selected chA seleced 28 Rg = 0, BW = 22 to 22kHz THD = 1% f = 100Hz 1.2 700 35 Test Condition Min. 4 7 80 1.5 950 45 60 300 180 80 50 2.4 1.4 1 0.2 48 0 32 60 0.6 1.4 1.7 Typ. Max. 12 15 Unit V mA dB V mVrms dB dB V k dB k V Vrms Vrms % dB dB dB dB V V
PLAYBACK AMPLIFIER
RECORDING AMPLIFIER 30 2.0 1 0.75 70 2.8
1.25 0.5 2
THD CB SVR CT
Total Harmonic Distortion ALC Range Channel Balance Supply Voltage Rejection Cross Talk Input LOW Level Input HIGH level
HEAD SELECT INPUT
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TDA7286
SO20 PACKAGE MECHANICAL DATA
DIM. MIN. A a1 a2 b b1 C c1 D E e e3 F L M S 7.4 0.5 12.6 10 1.27 11.43 7.6 1.27 0.75 8 (max.) 0.291 0.020 13.0 10.65 0.35 0.23 0.5 45 (typ.) 0.496 0.394 0.050 0.450 0.299 0.050 0.030 0.512 0.419 0.1 mm TYP. MAX. 2.65 0.3 2.45 0.49 0.32 0.014 0.009 0.020 0.004 MIN. inch TYP. MAX. 0.104 0.012 0.096 0.019 0.013
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TDA7286
DIP20 PACKAGE MECHANICAL DATA
DIM. MIN. a1 B b b1 D E e e3 F I L Z 3.3 1.34 8.5 2.54 22.86 7.1 3.93 0.130 0.053 0.254 1.39 0.45 0.25 25.4 0.335 0.100 0.900 0.280 0.155 1.65 mm TYP. MAX. MIN. 0.010 0.055 0.018 0.010 1.000 0.065 inch TYP. MAX.
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TDA7286
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specification mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGSTHOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectronics. (c) 1997 SGS-THOMSON Microelectronics - Printed in Italy - All Rights Reserved SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A.
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